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Cincinnati, OH, United States of America

Hydro Systems Company

USPTO Granted Patents = 17

Trademarks = 4

Forward Citations = 489

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10 inventors (with patents filed for the assignee):

William F Sand (8 out of 17 patents)

Mark D Dalhart (5 out of 8 patents)

Richard E Haas (2 out of 2 patents)

4. James C Bricker (2 out of 9 patents)

5. Gordon P Baker (2 out of 5 patents)

6. Thomas R Fegette (1 out of 1 patent)

7. Steve Rhine (1 out of 1 patent)

8. Ralph F Gessner, Jr (1 out of 1 patent)

9. David H Lippman (1 out of 1 patent)

10. Bruce Benzing (1 out of 1 patent)

17 patents: Sort by Forward Citations

1. 6655401 - Multiple chemical product eductive dispenser (2003-12-02),

2. 6634376 - Back flow preventing eductor (2003-10-21),

3. 6619318 - Multiple flow rate eductive dispenser (2003-09-16),

4. 6499872 - Ultra-lean dilution apparatus (2002-12-31),

5. 6299035 - Remotely activated dispenser (2001-10-09),

6. 6238081 - Ultra-lean dilution apparatus (2001-05-29),

7. 5957152 - Select valve purge (1999-09-28),

8. 5653261 - Selector valve (1997-08-05),

9. 5522419 - Chemical eductor with integral elongated air gap (1996-06-04),

10. D366093 - Chemical concentrate dispenser (1996-01-09),

11. 5377718 - Selecting and dispensing valve (1995-01-03),

12. 5351875 - Mixing and dispensing device (1994-10-04),

13. 5253677 - Chemical eductor with integral elongated air gap (1993-10-19),

14. 5159958 - Chemical eductor with integral elongated air gap (1992-11-03),

15. 4950136 - Peristaltic pump (1990-08-21),

Hydro Systems Company is a leading provider of chemical dispensing equipment and software for the cleaning and hygiene industry. With over 50 years of experience, we offer a wide range of solutions for accurate and efficient chemical dilution, delivery, and monitoring. Our innovative products help businesses improve cleaning performance, lower costs, and increase sustainability.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

17 Patents

#69 in Cincinnati, OH

#765 in Ohio

#18,310 in US

#34,838 in the World

Cincinnati, OH, United States of America

Hydro Systems Company

Forward Citations = 489

10 inventors:

William F Sand (8 out of 17 patents)

Mark D Dalhart (5 out of 8 patents)

Richard E Haas (2 out of 2 patents)

4. James C Bricker (2 out of 9 patents)

5. Gordon P Baker (2 out of 5 patents)

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